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【判断题】
在配制好的硫代硫酸钠溶液中,为了避免细菌的干扰,常加入少量碳酸钠。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】“举杯邀明月，对影成三人”出自李白的哪首诗?
【单选题】I can recognize your handwriting anywhere — it's ____ ____.
A.
unaware
B.
rare
C.
unique
D.
rigid
【简答题】“举杯邀明月，对影成三人”出自李白的_____。
【单选题】I can recognize your handwriting anywhere — it's ________ .
A.
unaware
B.
rare
C.
unique
D.
rigid
【简答题】He lost his arms in an accident that caused the death of his father. Then his 36 became his shadow, never leaving him alone for years. 37 writing with his toes, he was completely unable to do anything...
【简答题】李白名句“举杯邀明月，对影成三人”，其中还有二人是“影”，分别是什么原因形成的？
【单选题】I can't ______________your name, but I can recognize your face
A.
recall
B.
remember
C.
review
D.
recognize
【单选题】A figure skater on ice with arms extended, spins at a rate of 2.5 rev/s. After he draws his arms in, he spins at 6.0 rev/s. By what factor does the skater's kinetic energy change when he draws his arm...
A.
2.4
B.
1.0
C.
0.42
D.
0.12
E.
0.012
F.
0.18
【简答题】，对影成三人。(李白《月下独酌》)
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